Knurled plastic screws is a screw specially designed for convenient hand-screwing operation. the straight knurling of the head plays a role in increasing friction and making hand-screwing more efficient. In addition, the head is also provided with a slotted screwdriver, which can also be installed with a slotted screwdriver. It is mainly used in the display industry, white goods, brown goods, telecommunications and data communication, automobile industry and other equipment that needs insulation and frequent disassembly and maintenance.